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<div class="header">
  <div class="headertitle"><div class="title">fftools_ffmpeg_hw.c</div></div>
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<a href="../../d1/dba/fftools__ffmpeg__hw_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * copyright (c) 2018 Taner Sener ( tanersener gmail com )</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> */</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">/*</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * This file is the modified version of ffmpeg_hw.c file living in ffmpeg source code under the fftools folder. We</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * manually update it each time we depend on a new ffmpeg version. Below you can see the list of changes applied</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * by us to develop mobile-ffmpeg and later ffmpeg-kit libraries.</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> *</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * mobile-ffmpeg / ffmpeg-kit changes by Taner Sener</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> *</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * 12.2019</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * --------------------------------------------------------</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * - concurrent execution support (&quot;__thread&quot; specifier added to variables used by multiple threads)</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> *</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * 08.2018</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> * --------------------------------------------------------</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * - fftools_ prefix added to file name and parent header</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> */</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &quot;libavutil/avstring.h&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &quot;libavutil/pixdesc.h&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#include &quot;libavfilter/buffersink.h&quot;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &quot;<a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html">fftools_ffmpeg.h</a>&quot;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">   45</a></span>__thread <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">   46</a></span>__thread <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> **<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">   48</a></span><span class="keyword">static</span> <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">hw_device_get_by_type</a>(<span class="keyword">enum</span> AVHWDeviceType type)</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>{</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *found = NULL;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>    <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>; i++) {</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>        <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;type == type) {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>            <span class="keywordflow">if</span> (found)</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>            found = <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i];</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>        }</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    <span class="keywordflow">return</span> found;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>}</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a539c1a0fbb455ec027e6ecbabba11d3c">   62</a></span><a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>{</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>; i++) {</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>        <span class="keywordflow">if</span> (!strcmp(<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;name, name))</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>            <span class="keywordflow">return</span> <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i];</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>}</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac41be9b83ff337fa57579c8b804aad49">   72</a></span><span class="keyword">static</span> <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac41be9b83ff337fa57579c8b804aad49">hw_device_add</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>{</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    <span class="keywordtype">int</span> err;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>    err = av_reallocp_array(&amp;<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>, <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> + 1,</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>                            <span class="keyword">sizeof</span>(*<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>));</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    <span class="keywordflow">if</span> (err) {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>        <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> = 0;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    }</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>] = av_mallocz(<span class="keyword">sizeof</span>(<a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a>));</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>])</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    <span class="keywordflow">return</span> <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>++];</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>}</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#afd7a9c296e273f36897b0f4607b896a0">   87</a></span><span class="keyword">static</span> <span class="keywordtype">char</span> *<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#afd7a9c296e273f36897b0f4607b896a0">hw_device_default_name</a>(<span class="keyword">enum</span> AVHWDeviceType type)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <span class="comment">// Make an automatic name of the form &quot;type%d&quot;.  We arbitrarily</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>    <span class="comment">// limit at 1000 anonymous devices of the same type - there is</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>    <span class="comment">// probably something else very wrong if you get to this limit.</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="keyword">const</span> <span class="keywordtype">char</span> *type_name = av_hwdevice_get_type_name(type);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>    <span class="keywordtype">char</span> *name;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>    <span class="keywordtype">size_t</span> index_pos;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    <span class="keywordtype">int</span> index, index_limit = 1000;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    index_pos = strlen(type_name);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    name = av_malloc(index_pos + 4);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    <span class="keywordflow">if</span> (!name)</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>    <span class="keywordflow">for</span> (index = 0; index &lt; index_limit; index++) {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>        snprintf(name, index_pos + 4, <span class="stringliteral">&quot;%s%d&quot;</span>, type_name, index);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>        <span class="keywordflow">if</span> (!<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a>(name))</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>    }</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    <span class="keywordflow">if</span> (index &gt;= index_limit) {</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>        av_freep(&amp;name);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>    }</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <span class="keywordflow">return</span> name;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>}</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#ad60c6eadc7b29c15236419760b2e0094">  112</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a3fdd5667b2f22f69baa2f711b13537fb">hw_device_init_from_string</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *arg, <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> **dev_out)</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>{</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    <span class="comment">// &quot;type=name&quot;</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>    <span class="comment">// &quot;type=name,key=value,key2=value2&quot;</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    <span class="comment">// &quot;type=name:device,key=value,key2=value2&quot;</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    <span class="comment">// &quot;type:device,key=value,key2=value2&quot;</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    <span class="comment">// -&gt; av_hwdevice_ctx_create()</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="comment">// &quot;type=name@name&quot;</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="comment">// &quot;type@name&quot;</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    <span class="comment">// -&gt; av_hwdevice_ctx_create_derived()</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    AVDictionary *options = NULL;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    <span class="keyword">const</span> <span class="keywordtype">char</span> *type_name = NULL, *name = NULL, *device = NULL;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    <span class="keyword">enum</span> AVHWDeviceType type;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev, *src;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    AVBufferRef *device_ref = NULL;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    <span class="keywordtype">int</span> err;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <span class="keyword">const</span> <span class="keywordtype">char</span> *errmsg, *p, *q;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    <span class="keywordtype">size_t</span> k;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>    k = strcspn(arg, <span class="stringliteral">&quot;:=@&quot;</span>);</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>    p = arg + k;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    type_name = av_strndup(arg, k);</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    <span class="keywordflow">if</span> (!type_name) {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>        err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    }</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    type = av_hwdevice_find_type_by_name(type_name);</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>    <span class="keywordflow">if</span> (type == AV_HWDEVICE_TYPE_NONE) {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>        errmsg = <span class="stringliteral">&quot;unknown device type&quot;</span>;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>        <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    }</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;=&#39;</span>) {</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>        k = strcspn(p + 1, <span class="stringliteral">&quot;:@,&quot;</span>);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>        name = av_strndup(p + 1, k);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>        <span class="keywordflow">if</span> (!name) {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>            err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>        }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>        <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a>(name)) {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>            errmsg = <span class="stringliteral">&quot;named device already exists&quot;</span>;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>            <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>        }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>        p += 1 + k;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>        name = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#afd7a9c296e273f36897b0f4607b896a0">hw_device_default_name</a>(type);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>        <span class="keywordflow">if</span> (!name) {</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>            err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>        }</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    }</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>    <span class="keywordflow">if</span> (!*p) {</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>        <span class="comment">// New device with no parameters.</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>        err = av_hwdevice_ctx_create(&amp;device_ref, type,</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>                                     NULL, NULL, 0);</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;:&#39;</span>) {</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        <span class="comment">// New device with some parameters.</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>        ++p;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>        q = strchr(p, <span class="charliteral">&#39;,&#39;</span>);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>        <span class="keywordflow">if</span> (q) {</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>            <span class="keywordflow">if</span> (q - p &gt; 0) {</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>                device = av_strndup(p, q - p);</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>                <span class="keywordflow">if</span> (!device) {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>                    err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>                    <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>                }</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>            }</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>            err = av_dict_parse_string(&amp;options, q + 1, <span class="stringliteral">&quot;=&quot;</span>, <span class="stringliteral">&quot;,&quot;</span>, 0);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>            <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>                errmsg = <span class="stringliteral">&quot;failed to parse options&quot;</span>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>                <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>            }</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>        }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>        err = av_hwdevice_ctx_create(&amp;device_ref, type,</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>                                     q ? device : p[0] ? p : NULL,</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>                                     options, 0);</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;@&#39;</span>) {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>        <span class="comment">// Derive from existing device.</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        src = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a>(p + 1);</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        <span class="keywordflow">if</span> (!src) {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>            errmsg = <span class="stringliteral">&quot;invalid source device name&quot;</span>;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>            <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>        }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>        err = av_hwdevice_ctx_create_derived(&amp;device_ref, type,</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>                                             src-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>, 0);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">&#39;,&#39;</span>) {</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>        err = av_dict_parse_string(&amp;options, p + 1, <span class="stringliteral">&quot;=&quot;</span>, <span class="stringliteral">&quot;,&quot;</span>, 0);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>        <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>            errmsg = <span class="stringliteral">&quot;failed to parse options&quot;</span>;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>            <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>        }</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>        err = av_hwdevice_ctx_create(&amp;device_ref, type,</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>                                     NULL, options, 0);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>        <span class="keywordflow">if</span> (err &lt; 0)</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>            <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>        errmsg = <span class="stringliteral">&quot;parse error&quot;</span>;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>        <span class="keywordflow">goto</span> invalid;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    }</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac41be9b83ff337fa57579c8b804aad49">hw_device_add</a>();</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>        err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    }</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a> = name;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>    dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a> = type;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>    dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a> = device_ref;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>    <span class="keywordflow">if</span> (dev_out)</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>        *dev_out = dev;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    name = NULL;</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>    err = 0;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>done:</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>    av_freep(&amp;type_name);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>    av_freep(&amp;name);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>    av_freep(&amp;device);</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>    av_dict_free(&amp;options);</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    <span class="keywordflow">return</span> err;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>invalid:</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>    av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>           <span class="stringliteral">&quot;Invalid device specification \&quot;%s\&quot;: %s\n&quot;</span>, arg, errmsg);</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    err = AVERROR(EINVAL);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    <span class="keywordflow">goto</span> done;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>fail:</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>           <span class="stringliteral">&quot;Device creation failed: %d.\n&quot;</span>, err);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>    av_buffer_unref(&amp;device_ref);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    <span class="keywordflow">goto</span> done;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>}</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">  263</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(<span class="keyword">enum</span> AVHWDeviceType type,</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>                                    <span class="keyword">const</span> <span class="keywordtype">char</span> *device,</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>                                    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> **dev_out)</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>{</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>    AVBufferRef *device_ref = NULL;</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>    <span class="keywordtype">char</span> *name;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>    <span class="keywordtype">int</span> err;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span> </div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>    name = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#afd7a9c296e273f36897b0f4607b896a0">hw_device_default_name</a>(type);</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>    <span class="keywordflow">if</span> (!name) {</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>        err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>    err = av_hwdevice_ctx_create(&amp;device_ref, type, device, NULL, 0);</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>        av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>               <span class="stringliteral">&quot;Device creation failed: %d.\n&quot;</span>, err);</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>    }</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac41be9b83ff337fa57579c8b804aad49">hw_device_add</a>();</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>    <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>        err = AVERROR(ENOMEM);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>    }</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a> = name;</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>    dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a> = type;</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>    dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a> = device_ref;</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>    <span class="keywordflow">if</span> (dev_out)</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>        *dev_out = dev;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>fail:</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>    av_freep(&amp;name);</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>    av_buffer_unref(&amp;device_ref);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>    <span class="keywordflow">return</span> err;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>}</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span> </div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a7b352c0afc44da703891d7538bbcf737">  306</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a7b352c0afc44da703891d7538bbcf737">hw_device_free_all</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>{</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>; i++) {</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>        av_freep(&amp;<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;name);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>        av_buffer_unref(&amp;<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]-&gt;device_ref);</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>        av_freep(&amp;<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[i]);</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>    }</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    av_freep(&amp;<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>);</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>    <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> = 0;</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>}</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span> </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#aae07987d3556e3507f0bb2e6c451ec2a">  318</a></span><span class="keyword">static</span> <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#aae07987d3556e3507f0bb2e6c451ec2a">hw_device_match_by_codec</a>(<span class="keyword">const</span> AVCodec *codec)</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>{</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>    <span class="keyword">const</span> AVCodecHWConfig *config;</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev;</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>    <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>    <span class="keywordflow">for</span> (i = 0;; i++) {</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>        config = avcodec_get_hw_config(codec, i);</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>        <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>        <span class="keywordflow">if</span> (!(config-&gt;methods &amp; AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>        dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">hw_device_get_by_type</a>(config-&gt;device_type);</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>        <span class="keywordflow">if</span> (dev)</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>            <span class="keywordflow">return</span> dev;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    }</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>}</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span> </div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a77e8d12a4bdb9110a2d815b9aa5f8d02">  335</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a77e8d12a4bdb9110a2d815b9aa5f8d02">hw_device_setup_for_decode</a>(<a class="code hl_struct" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist)</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>{</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>    <span class="keyword">const</span> AVCodecHWConfig *config;</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    <span class="keyword">enum</span> AVHWDeviceType type;</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev = NULL;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>    <span class="keywordtype">int</span> err, auto_device = 0;</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span> </div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>    <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>) {</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>        dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a>(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>        <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>            <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code hl_enumvalue" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) {</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>                auto_device = 1;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>            } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code hl_enumvalue" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362">HWACCEL_GENERIC</a>) {</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>                type = ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a>;</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>                err = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(type, ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>,</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>                                               &amp;dev);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>            } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>                <span class="comment">// This will be dealt with by API-specific initialisation</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>                <span class="comment">// (using hwaccel_device), so nothing further needed here.</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>                <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>            }</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>            <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code hl_enumvalue" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) {</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>                ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a> = dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>            } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a> != dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>) {</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>                av_log(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_ERROR, <span class="stringliteral">&quot;Invalid hwaccel device &quot;</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>                       <span class="stringliteral">&quot;specified for decoder: device %s of type %s is not &quot;</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>                       <span class="stringliteral">&quot;usable with hwaccel %s.\n&quot;</span>, dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>,</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>                       av_hwdevice_get_type_name(dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>),</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>                       av_hwdevice_get_type_name(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a>));</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>                <span class="keywordflow">return</span> AVERROR(EINVAL);</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>            }</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>        }</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>        <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code hl_enumvalue" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) {</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>            auto_device = 1;</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code hl_enumvalue" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362">HWACCEL_GENERIC</a>) {</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>            type = ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a>;</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>            dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">hw_device_get_by_type</a>(type);</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span> </div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>            <span class="comment">// When &quot;-qsv_device device&quot; is used, an internal QSV device named</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>            <span class="comment">// as &quot;__qsv_device&quot; is created. Another QSV device is created too</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>            <span class="comment">// if &quot;-init_hw_device qsv=name:device&quot; is used. There are 2 QSV devices</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>            <span class="comment">// if both &quot;-qsv_device device&quot; and &quot;-init_hw_device qsv=name:device&quot;</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>            <span class="comment">// are used, hw_device_get_by_type(AV_HWDEVICE_TYPE_QSV) returns NULL.</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>            <span class="comment">// To keep back-compatibility with the removed ad-hoc libmfx setup code,</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>            <span class="comment">// call hw_device_get_by_name(&quot;__qsv_device&quot;) to select the internal QSV</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>            <span class="comment">// device.</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span>            <span class="keywordflow">if</span> (!dev &amp;&amp; type == AV_HWDEVICE_TYPE_QSV)</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>                dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a>(<span class="stringliteral">&quot;__qsv_device&quot;</span>);</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span> </div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>            <span class="keywordflow">if</span> (!dev)</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>                err = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(type, NULL, &amp;dev);</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>            dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#aae07987d3556e3507f0bb2e6c451ec2a">hw_device_match_by_codec</a>(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#aec71efef67656157f493555fddbbc1c9">dec</a>);</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>            <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>                <span class="comment">// No device for this codec, but not using generic hwaccel</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>                <span class="comment">// and therefore may well not need one - ignore.</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>                <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>            }</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>        }</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>    }</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>    <span class="keywordflow">if</span> (auto_device) {</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>        <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>        <span class="keywordflow">if</span> (!avcodec_get_hw_config(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#aec71efef67656157f493555fddbbc1c9">dec</a>, 0)) {</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>            <span class="comment">// Decoder does not support any hardware devices.</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>        }</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>        <span class="keywordflow">for</span> (i = 0; !dev; i++) {</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>            config = avcodec_get_hw_config(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#aec71efef67656157f493555fddbbc1c9">dec</a>, i);</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>            <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>                <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>            type = config-&gt;device_type;</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>            dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">hw_device_get_by_type</a>(type);</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>            <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>                av_log(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Using auto &quot;</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>                       <span class="stringliteral">&quot;hwaccel type %s with existing device %s.\n&quot;</span>,</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>                       av_hwdevice_get_type_name(type), dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>);</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>            }</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>        }</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>        <span class="keywordflow">for</span> (i = 0; !dev; i++) {</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>            config = avcodec_get_hw_config(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#aec71efef67656157f493555fddbbc1c9">dec</a>, i);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>            <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>                <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>            type = config-&gt;device_type;</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>            <span class="comment">// Try to make a new device of this type.</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>            err = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a>(type, ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>,</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>                                           &amp;dev);</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>            <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>                <span class="comment">// Can&#39;t make a device of this type.</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>                <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>            }</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>            <span class="keywordflow">if</span> (ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>) {</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>                av_log(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Using auto &quot;</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>                       <span class="stringliteral">&quot;hwaccel type %s with new device created &quot;</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>                       <span class="stringliteral">&quot;from %s.\n&quot;</span>, av_hwdevice_get_type_name(type),</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>                       ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">hwaccel_device</a>);</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>            } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>                av_log(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Using auto &quot;</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>                       <span class="stringliteral">&quot;hwaccel type %s with new default device.\n&quot;</span>,</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>                       av_hwdevice_get_type_name(type));</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>            }</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>        }</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>        <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>            ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">hwaccel_device_type</a> = type;</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>            av_log(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_INFO, <span class="stringliteral">&quot;Auto hwaccel &quot;</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>                   <span class="stringliteral">&quot;disabled: no device found.\n&quot;</span>);</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>            ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> = <a class="code hl_enumvalue" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fa293989c77f66e42d7477243815670be6">HWACCEL_NONE</a>;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>        }</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>    }</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span> </div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>    <span class="keywordflow">if</span> (!dev) {</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>        av_log(ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>, AV_LOG_ERROR, <span class="stringliteral">&quot;No device available &quot;</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>               <span class="stringliteral">&quot;for decoder: device type %s needed for codec %s.\n&quot;</span>,</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>               av_hwdevice_get_type_name(type), ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#aec71efef67656157f493555fddbbc1c9">dec</a>-&gt;name);</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>        <span class="keywordflow">return</span> err;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>    }</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span> </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>    ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>-&gt;hw_device_ctx = av_buffer_ref(dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>);</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>    <span class="keywordflow">if</span> (!ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">dec_ctx</a>-&gt;hw_device_ctx)</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span> </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>}</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a01128ebf95f6a3b130f446b13b171c52">  463</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a01128ebf95f6a3b130f446b13b171c52">hw_device_setup_for_encode</a>(<a class="code hl_struct" href="../../db/dde/struct_output_stream.html">OutputStream</a> *ost)</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span>{</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>    <span class="keyword">const</span> AVCodecHWConfig *config;</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev = NULL;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>    AVBufferRef *frames_ref = NULL;</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>    <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span> </div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>    <span class="keywordflow">if</span> (ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ad8926e7de923b3eeabd66770caacfe1e">filter</a>) {</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>        frames_ref = av_buffersink_get_hw_frames_ctx(ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ad8926e7de923b3eeabd66770caacfe1e">filter</a>-&gt;<a class="code hl_variable" href="../../d0/d0f/struct_output_filter.html#a52b3bac2e051f48e5eabbff6a227881c">filter</a>);</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>        <span class="keywordflow">if</span> (frames_ref &amp;&amp;</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>            ((AVHWFramesContext*)frames_ref-&gt;data)-&gt;format ==</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>            ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;pix_fmt) {</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>            <span class="comment">// Matching format, will try to use hw_frames_ctx.</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>            frames_ref = NULL;</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>        }</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>    }</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span> </div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>    <span class="keywordflow">for</span> (i = 0;; i++) {</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>        config = avcodec_get_hw_config(ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#a4d5a255030b41edd953fc89973d22ce5">enc</a>, i);</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>        <span class="keywordflow">if</span> (!config)</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span> </div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>        <span class="keywordflow">if</span> (frames_ref &amp;&amp;</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>            config-&gt;methods &amp; AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX &amp;&amp;</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>            (config-&gt;pix_fmt == AV_PIX_FMT_NONE ||</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>             config-&gt;pix_fmt == ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;pix_fmt)) {</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>            av_log(ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>, AV_LOG_VERBOSE, <span class="stringliteral">&quot;Using input &quot;</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>                   <span class="stringliteral">&quot;frames context (format %s) with %s encoder.\n&quot;</span>,</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>                   av_get_pix_fmt_name(ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;pix_fmt),</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>                   ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#a4d5a255030b41edd953fc89973d22ce5">enc</a>-&gt;name);</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>            ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_frames_ctx = av_buffer_ref(frames_ref);</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>            <span class="keywordflow">if</span> (!ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_frames_ctx)</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>                <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>        }</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span> </div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>        <span class="keywordflow">if</span> (!dev &amp;&amp;</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>            config-&gt;methods &amp; AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>            dev = <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">hw_device_get_by_type</a>(config-&gt;device_type);</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>    }</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>    <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>        av_log(ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>, AV_LOG_VERBOSE, <span class="stringliteral">&quot;Using device %s &quot;</span></div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>               <span class="stringliteral">&quot;(type %s) with %s encoder.\n&quot;</span>, dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>,</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>               av_hwdevice_get_type_name(dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>), ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#a4d5a255030b41edd953fc89973d22ce5">enc</a>-&gt;name);</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>        ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_device_ctx = av_buffer_ref(dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>);</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>        <span class="keywordflow">if</span> (!ost-&gt;<a class="code hl_variable" href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">enc_ctx</a>-&gt;hw_device_ctx)</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>            <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>        <span class="comment">// No device required, or no device available.</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>    }</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>}</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span> </div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"><a class="line" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">  518</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">hwaccel_retrieve_data</a>(AVCodecContext *avctx, AVFrame *input)</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>{</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>    <a class="code hl_struct" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = avctx-&gt;opaque;</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>    AVFrame *output = NULL;</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>    <span class="keyword">enum</span> AVPixelFormat output_format = ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#a252184ceda81f2d65f63f0470b877bd4">hwaccel_output_format</a>;</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>    <span class="keywordtype">int</span> err;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span> </div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>    <span class="keywordflow">if</span> (input-&gt;format == output_format) {</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>        <span class="comment">// Nothing to do.</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>    }</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span> </div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>    output = av_frame_alloc();</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>    <span class="keywordflow">if</span> (!output)</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>    output-&gt;format = output_format;</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span> </div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>    err = av_hwframe_transfer_data(output, input, 0);</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>    <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>        av_log(avctx, AV_LOG_ERROR, <span class="stringliteral">&quot;Failed to transfer data to &quot;</span></div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>               <span class="stringliteral">&quot;output frame: %d.\n&quot;</span>, err);</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>    }</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>    err = av_frame_copy_props(output, input);</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>    <span class="keywordflow">if</span> (err &lt; 0) {</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>        av_frame_unref(output);</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>    }</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>    av_frame_unref(input);</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>    av_frame_move_ref(input, output);</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>    av_frame_free(&amp;output);</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span> </div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span>fail:</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>    av_frame_free(&amp;output);</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>    <span class="keywordflow">return</span> err;</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span>}</div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span> </div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a518f7a9a1bd1b5544a39fdbd1d925663">  560</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a518f7a9a1bd1b5544a39fdbd1d925663">hwaccel_decode_init</a>(AVCodecContext *avctx)</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>{</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>    <a class="code hl_struct" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = avctx-&gt;opaque;</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span> </div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>    ist-&gt;<a class="code hl_variable" href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">hwaccel_retrieve_data</a> = &amp;<a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">hwaccel_retrieve_data</a>;</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span> </div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>}</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span> </div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a801831a4517a8db980bbf18c6db58cad">  569</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a801831a4517a8db980bbf18c6db58cad">hw_device_setup_for_filter</a>(<a class="code hl_struct" href="../../d9/de7/struct_filter_graph.html">FilterGraph</a> *fg)</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>{</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>    <a class="code hl_struct" href="../../de/dc7/struct_h_w_device.html">HWDevice</a> *dev;</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>    <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span> </div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>    <span class="comment">// Pick the last hardware device if the user doesn&#39;t pick the device for</span></div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>    <span class="comment">// filters explicitly with the filter_hw_device option.</span></div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span>    <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d7/db3/fftools__ffmpeg_8h.html#ab91a5aa23dd763d88ff7cfedeadca8a4">filter_hw_device</a>)</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>        dev = <a class="code hl_variable" href="../../d7/db3/fftools__ffmpeg_8h.html#ab91a5aa23dd763d88ff7cfedeadca8a4">filter_hw_device</a>;</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> &gt; 0) {</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span>        dev = <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a>[<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> - 1];</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span> </div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>        <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a> &gt; 1)</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>            av_log(NULL, AV_LOG_WARNING, <span class="stringliteral">&quot;There are %d hardware devices. device &quot;</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span>                   <span class="stringliteral">&quot;%s of type %s is picked for filters by default. Set hardware &quot;</span></div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>                   <span class="stringliteral">&quot;device explicitly with the filter_hw_device option if device &quot;</span></div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span>                   <span class="stringliteral">&quot;%s is not usable for filters.\n&quot;</span>,</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>                   <a class="code hl_variable" href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a>, dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>,</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span>                   av_hwdevice_get_type_name(dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">type</a>), dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">name</a>);</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>    } <span class="keywordflow">else</span></div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>        dev = NULL;</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>    <span class="keywordflow">if</span> (dev) {</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>        <span class="keywordflow">for</span> (i = 0; i &lt; fg-&gt;<a class="code hl_variable" href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">graph</a>-&gt;nb_filters; i++) {</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>            fg-&gt;<a class="code hl_variable" href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">graph</a>-&gt;filters[i]-&gt;hw_device_ctx =</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>                av_buffer_ref(dev-&gt;<a class="code hl_variable" href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">device_ref</a>);</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>            <span class="keywordflow">if</span> (!fg-&gt;<a class="code hl_variable" href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">graph</a>-&gt;filters[i]-&gt;hw_device_ctx)</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span>                <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>        }</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>    }</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span> </div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>}</div>
<div class="ttc" id="afftools__ffmpeg_8h_html"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html">fftools_ffmpeg.h</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205fa293989c77f66e42d7477243815670be6"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fa293989c77f66e42d7477243815670be6">HWACCEL_NONE</a></div><div class="ttdeci">@ HWACCEL_NONE</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00100">fftools_ffmpeg.h:100</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205fab96d67115af909300a442d76232c0362">HWACCEL_GENERIC</a></div><div class="ttdeci">@ HWACCEL_GENERIC</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00102">fftools_ffmpeg.h:102</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a></div><div class="ttdeci">@ HWACCEL_AUTO</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00101">fftools_ffmpeg.h:101</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_ab91a5aa23dd763d88ff7cfedeadca8a4"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#ab91a5aa23dd763d88ff7cfedeadca8a4">filter_hw_device</a></div><div class="ttdeci">__thread HWDevice * filter_hw_device</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d66/fftools__ffmpeg__opt_8c_source.html#l00181">fftools_ffmpeg_opt.c:181</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a01128ebf95f6a3b130f446b13b171c52"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a01128ebf95f6a3b130f446b13b171c52">hw_device_setup_for_encode</a></div><div class="ttdeci">int hw_device_setup_for_encode(OutputStream *ost)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00463">fftools_ffmpeg_hw.c:463</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a3fdd5667b2f22f69baa2f711b13537fb"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a3fdd5667b2f22f69baa2f711b13537fb">hw_device_init_from_string</a></div><div class="ttdeci">int hw_device_init_from_string(const char *arg, HWDevice **dev_out)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00112">fftools_ffmpeg_hw.c:112</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a518f7a9a1bd1b5544a39fdbd1d925663"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a518f7a9a1bd1b5544a39fdbd1d925663">hwaccel_decode_init</a></div><div class="ttdeci">int hwaccel_decode_init(AVCodecContext *avctx)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00560">fftools_ffmpeg_hw.c:560</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a539c1a0fbb455ec027e6ecbabba11d3c"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a539c1a0fbb455ec027e6ecbabba11d3c">hw_device_get_by_name</a></div><div class="ttdeci">HWDevice * hw_device_get_by_name(const char *name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00062">fftools_ffmpeg_hw.c:62</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a5a881e2fd908765c2df11400a6c0c7d9"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a5a881e2fd908765c2df11400a6c0c7d9">hwaccel_retrieve_data</a></div><div class="ttdeci">static int hwaccel_retrieve_data(AVCodecContext *avctx, AVFrame *input)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00518">fftools_ffmpeg_hw.c:518</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a73e64183d7f408877039a977b84ab64d"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a73e64183d7f408877039a977b84ab64d">hw_device_get_by_type</a></div><div class="ttdeci">static HWDevice * hw_device_get_by_type(enum AVHWDeviceType type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00048">fftools_ffmpeg_hw.c:48</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a77e8d12a4bdb9110a2d815b9aa5f8d02"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a77e8d12a4bdb9110a2d815b9aa5f8d02">hw_device_setup_for_decode</a></div><div class="ttdeci">int hw_device_setup_for_decode(InputStream *ist)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00335">fftools_ffmpeg_hw.c:335</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a7b352c0afc44da703891d7538bbcf737"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a7b352c0afc44da703891d7538bbcf737">hw_device_free_all</a></div><div class="ttdeci">void hw_device_free_all(void)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00306">fftools_ffmpeg_hw.c:306</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_a801831a4517a8db980bbf18c6db58cad"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#a801831a4517a8db980bbf18c6db58cad">hw_device_setup_for_filter</a></div><div class="ttdeci">int hw_device_setup_for_filter(FilterGraph *fg)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00569">fftools_ffmpeg_hw.c:569</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_aae07987d3556e3507f0bb2e6c451ec2a"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#aae07987d3556e3507f0bb2e6c451ec2a">hw_device_match_by_codec</a></div><div class="ttdeci">static HWDevice * hw_device_match_by_codec(const AVCodec *codec)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00318">fftools_ffmpeg_hw.c:318</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ac2df78054133e8e90276b1d12af466da"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac2df78054133e8e90276b1d12af466da">hw_device_init_from_type</a></div><div class="ttdeci">static int hw_device_init_from_type(enum AVHWDeviceType type, const char *device, HWDevice **dev_out)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00263">fftools_ffmpeg_hw.c:263</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ac41be9b83ff337fa57579c8b804aad49"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ac41be9b83ff337fa57579c8b804aad49">hw_device_add</a></div><div class="ttdeci">static HWDevice * hw_device_add(void)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00072">fftools_ffmpeg_hw.c:72</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_acea1bac2a399307791945b15467b1f75"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#acea1bac2a399307791945b15467b1f75">nb_hw_devices</a></div><div class="ttdeci">__thread int nb_hw_devices</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00045">fftools_ffmpeg_hw.c:45</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_ad66ab6371d9721a18af13707d8b2735c"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#ad66ab6371d9721a18af13707d8b2735c">hw_devices</a></div><div class="ttdeci">__thread HWDevice ** hw_devices</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00046">fftools_ffmpeg_hw.c:46</a></div></div>
<div class="ttc" id="afftools__ffmpeg__hw_8c_html_afd7a9c296e273f36897b0f4607b896a0"><div class="ttname"><a href="../../d1/dba/fftools__ffmpeg__hw_8c.html#afd7a9c296e273f36897b0f4607b896a0">hw_device_default_name</a></div><div class="ttdeci">static char * hw_device_default_name(enum AVHWDeviceType type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dba/fftools__ffmpeg__hw_8c_source.html#l00087">fftools_ffmpeg_hw.c:87</a></div></div>
<div class="ttc" id="astruct_filter_graph_html"><div class="ttname"><a href="../../d9/de7/struct_filter_graph.html">FilterGraph</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00328">fftools_ffmpeg.h:328</a></div></div>
<div class="ttc" id="astruct_filter_graph_html_ae222203d54c99d90f4308f5fd2285ee5"><div class="ttname"><a href="../../d9/de7/struct_filter_graph.html#ae222203d54c99d90f4308f5fd2285ee5">FilterGraph::graph</a></div><div class="ttdeci">AVFilterGraph * graph</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00332">fftools_ffmpeg.h:332</a></div></div>
<div class="ttc" id="astruct_h_w_device_html"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html">HWDevice</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00105">fftools_ffmpeg.h:105</a></div></div>
<div class="ttc" id="astruct_h_w_device_html_ac1615b160aa7dc0f2e314e04cea6aaf9"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html#ac1615b160aa7dc0f2e314e04cea6aaf9">HWDevice::device_ref</a></div><div class="ttdeci">AVBufferRef * device_ref</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00108">fftools_ffmpeg.h:108</a></div></div>
<div class="ttc" id="astruct_h_w_device_html_ad5294ac2b414deacbe2aac7b9c8ba987"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html#ad5294ac2b414deacbe2aac7b9c8ba987">HWDevice::type</a></div><div class="ttdeci">enum AVHWDeviceType type</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00107">fftools_ffmpeg.h:107</a></div></div>
<div class="ttc" id="astruct_h_w_device_html_ae03ed8b14a9e341f1d8cc5fa37006656"><div class="ttname"><a href="../../de/dc7/struct_h_w_device.html#ae03ed8b14a9e341f1d8cc5fa37006656">HWDevice::name</a></div><div class="ttdeci">const char * name</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00106">fftools_ffmpeg.h:106</a></div></div>
<div class="ttc" id="astruct_input_stream_html"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html">InputStream</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00344">fftools_ffmpeg.h:344</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a252184ceda81f2d65f63f0470b877bd4"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a252184ceda81f2d65f63f0470b877bd4">InputStream::hwaccel_output_format</a></div><div class="ttdeci">enum AVPixelFormat hwaccel_output_format</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00418">fftools_ffmpeg.h:418</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a550ceee60cb995b284b52962dcba6597"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a550ceee60cb995b284b52962dcba6597">InputStream::dec_ctx</a></div><div class="ttdeci">AVCodecContext * dec_ctx</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00354">fftools_ffmpeg.h:354</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a6c3473c28e30500adb3fa7886e6d7c3e"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">InputStream::hwaccel_id</a></div><div class="ttdeci">enum HWAccelID hwaccel_id</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00415">fftools_ffmpeg.h:415</a></div></div>
<div class="ttc" id="astruct_input_stream_html_ad983487b3e7c29f53bb3336190f14051"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">InputStream::hwaccel_retrieve_data</a></div><div class="ttdeci">int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00423">fftools_ffmpeg.h:423</a></div></div>
<div class="ttc" id="astruct_input_stream_html_ae48685e82826c6b5922014d47e2cb6bb"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#ae48685e82826c6b5922014d47e2cb6bb">InputStream::hwaccel_device</a></div><div class="ttdeci">char * hwaccel_device</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00417">fftools_ffmpeg.h:417</a></div></div>
<div class="ttc" id="astruct_input_stream_html_aec71efef67656157f493555fddbbc1c9"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#aec71efef67656157f493555fddbbc1c9">InputStream::dec</a></div><div class="ttdeci">const AVCodec * dec</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00355">fftools_ffmpeg.h:355</a></div></div>
<div class="ttc" id="astruct_input_stream_html_af577e45cb148e174ef437f3cbaa8b628"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#af577e45cb148e174ef437f3cbaa8b628">InputStream::hwaccel_device_type</a></div><div class="ttdeci">enum AVHWDeviceType hwaccel_device_type</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00416">fftools_ffmpeg.h:416</a></div></div>
<div class="ttc" id="astruct_output_filter_html_a52b3bac2e051f48e5eabbff6a227881c"><div class="ttname"><a href="../../d0/d0f/struct_output_filter.html#a52b3bac2e051f48e5eabbff6a227881c">OutputFilter::filter</a></div><div class="ttdeci">AVFilterContext * filter</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00305">fftools_ffmpeg.h:305</a></div></div>
<div class="ttc" id="astruct_output_stream_html"><div class="ttname"><a href="../../db/dde/struct_output_stream.html">OutputStream</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00495">fftools_ffmpeg.h:495</a></div></div>
<div class="ttc" id="astruct_output_stream_html_a4d5a255030b41edd953fc89973d22ce5"><div class="ttname"><a href="../../db/dde/struct_output_stream.html#a4d5a255030b41edd953fc89973d22ce5">OutputStream::enc</a></div><div class="ttdeci">const AVCodec * enc</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00519">fftools_ffmpeg.h:519</a></div></div>
<div class="ttc" id="astruct_output_stream_html_ab7b674f9a0c60e3e02526d560a83f583"><div class="ttname"><a href="../../db/dde/struct_output_stream.html#ab7b674f9a0c60e3e02526d560a83f583">OutputStream::enc_ctx</a></div><div class="ttdeci">AVCodecContext * enc_ctx</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00517">fftools_ffmpeg.h:517</a></div></div>
<div class="ttc" id="astruct_output_stream_html_ad8926e7de923b3eeabd66770caacfe1e"><div class="ttname"><a href="../../db/dde/struct_output_stream.html#ad8926e7de923b3eeabd66770caacfe1e">OutputStream::filter</a></div><div class="ttdeci">OutputFilter * filter</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00561">fftools_ffmpeg.h:561</a></div></div>
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